src/lib/elm_menu.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3
   4 typedef struct _Widget_Data Widget_Data;
   5 typedef struct _Elm_Menu_Item Elm_Menu_Item;
   6
   7 struct _Elm_Menu_Item
   8 {
   9    ELM_WIDGET_ITEM;
  10    Elm_Menu_Item *parent;
  11    Evas_Object *content;
  12    const char *icon_str;
  13    const char *label;
  14    Evas_Smart_Cb func;
  15    unsigned int idx;
  16
  17    struct {
  18       Evas_Object *hv, *bx, *location;
  19       Eina_List *items;
  20       Eina_Bool open : 1;
  21    } submenu;
  22
  23    Eina_Bool separator : 1;
  24    Eina_Bool selected : 1;
  25    Eina_Bool object_item : 1;
  26 };
  27
  28 struct _Widget_Data
  29 {
  30    Evas_Object *hv, *bx, *location, *parent, *obj;
  31    Eina_List *items;
  32    Evas_Coord xloc, yloc;
  33 };
  34
  35 static const char *widtype = NULL;
  36 static void _del_hook(Evas_Object *obj);
  37 static void _theme_hook(Evas_Object *obj);
  38 static void _item_disable_hook(Elm_Object_Item *it);
  39 static void _sizing_eval(Evas_Object *obj);
  40 static void _submenu_sizing_eval(Elm_Menu_Item *parent);
  41 static void _item_sizing_eval(Elm_Menu_Item *item);
  42 static void _submenu_hide(Elm_Menu_Item *item);
  43 static void _submenu_open(void *data, Evas_Object *obj, const char *emission, const char *source);
  44 static void _parent_resize(void *data, Evas *e, Evas_Object *obj, void *event_info);
  45 static void _parent_del(void *data, Evas *e, Evas_Object *obj, void *event_info);
  46 static void _menu_hide(void *data, Evas_Object *obj, void *event_info);
  47
  48 static const char SIG_CLICKED[] = "clicked";
  49
  50 static const Evas_Smart_Cb_Description _signals[] = {
  51    {SIG_CLICKED, ""},
  52    {NULL, NULL}
  53 };
  54
  55
  56 static void
  57 _del_item(Elm_Menu_Item *item)
  58 {
  59    Elm_Menu_Item *child;
  60
  61    EINA_LIST_FREE(item->submenu.items, child)
  62      _del_item(child);
  63
  64    if (item->label) eina_stringshare_del(item->label);
  65    if (item->submenu.hv) evas_object_del(item->submenu.hv);
  66    if (item->submenu.location) evas_object_del(item->submenu.location);
  67    if (item->icon_str) eina_stringshare_del(item->icon_str);
  68    elm_widget_item_free(item);
  69 }
  70
  71 static void
  72 _del_pre_hook(Evas_Object *obj)
  73 {
  74    Elm_Menu_Item *item;
  75    Widget_Data *wd = elm_widget_data_get(obj);
  76    if (!wd) return;
  77
  78    evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize, obj);
  79    evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_DEL, _parent_del, wd);
  80
  81    EINA_LIST_FREE(wd->items, item)
  82      _del_item(item);
  83
  84    if (wd->hv) evas_object_del(wd->hv);
  85    if (wd->location) evas_object_del(wd->location);
  86 }
  87
  88 static void
  89 _del_hook(Evas_Object *obj)
  90 {
  91    Widget_Data *wd = elm_widget_data_get(obj);
  92    free(wd);
  93 }
  94
  95 static void
  96 _theme_hook(Evas_Object *obj)
  97 {
  98    Eina_List *l, *_l, *_ll, *ll = NULL;
  99    Elm_Menu_Item *item;
 100    Widget_Data *wd = elm_widget_data_get(obj);
 101    if (!wd) return;
 102    _elm_widget_mirrored_reload(obj);
 103    ll = eina_list_append(ll, wd->items);
 104    EINA_LIST_FOREACH(ll, _ll, l)
 105      {
 106         EINA_LIST_FOREACH(l, _l, item)
 107           {
 108              edje_object_mirrored_set(VIEW(item), elm_widget_mirrored_get(obj));
 109              ll = eina_list_append(ll, item->submenu.items);
 110              if (item->separator)
 111                _elm_theme_object_set(obj, VIEW(item), "menu", "separator",
 112                                      elm_widget_style_get(obj));
 113              else if (item->submenu.bx)
 114                {
 115                   _elm_theme_object_set
 116                      (obj, VIEW(item), "menu", "item_with_submenu",
 117                       elm_widget_style_get(obj));
 118                   elm_object_item_text_set((Elm_Object_Item *) item,
 119                                            item->label);
 120                   elm_menu_item_object_icon_name_set((Elm_Object_Item *) item,
 121                                                      item->icon_str);
 122                }
 123              else
 124                {
 125                   _elm_theme_object_set(obj, VIEW(item), "menu", "item",
 126                                         elm_widget_style_get(obj));
 127                   elm_object_item_text_set((Elm_Object_Item *) item,
 128                                            item->label);
 129                   elm_menu_item_object_icon_name_set((Elm_Object_Item *) item,
 130                                                      item->icon_str);
 131                }
 132              _item_disable_hook((Elm_Object_Item *) item);
 133              edje_object_scale_set(VIEW(item), elm_widget_scale_get(obj) *
 134                                    _elm_config->scale);
 135           }
 136      }
 137    _sizing_eval(obj);
 138 }
 139
 140 static void
 141 _item_text_set_hook(Elm_Object_Item *it,
 142                     const char *part,
 143                     const char *label)
 144 {
 145    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 146    Elm_Menu_Item *item;
 147
 148    if (part && strcmp(part, "default")) return;
 149
 150    item = (Elm_Menu_Item *) it;
 151
 152    eina_stringshare_replace(&item->label, label);
 153
 154    if (label)
 155      edje_object_signal_emit(VIEW(item), "elm,state,text,visible", "elm");
 156    else
 157      edje_object_signal_emit(VIEW(item), "elm,state,text,hidden", "elm");
 158
 159    edje_object_message_signal_process(VIEW(item));
 160    edje_object_part_text_set(VIEW(item), "elm.text", label);
 161    _sizing_eval(WIDGET(item));
 162 }
 163
 164 static const char *
 165 _item_text_get_hook(const Elm_Object_Item *it, const char *part)
 166 {
 167    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 168    if (part && strcmp(part, "default")) return NULL;
 169    return ((Elm_Menu_Item *) it)->label;
 170 }
 171
 172 static void
 173 _item_content_set_hook(Elm_Object_Item *it,
 174                        const char *part,
 175                        Evas_Object *content)
 176 {
 177    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 178    Elm_Menu_Item *item;
 179
 180    if (part && strcmp(part, "default")) return;
 181
 182    item = (Elm_Menu_Item *) it;
 183
 184    if (item->content)
 185      {
 186         elm_widget_sub_object_del(WIDGET(item), item->content);
 187         evas_object_del(item->content);
 188      }
 189
 190    item->content = content;
 191
 192    elm_widget_sub_object_add(WIDGET(item), item->content);
 193    edje_object_part_swallow(VIEW(item), "elm.swallow.content", item->content);
 194    _sizing_eval(WIDGET(item));
 195 }
 196
 197 static Evas_Object *
 198 _item_content_get_hook(const Elm_Object_Item *it, const char *part)
 199 {
 200    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 201    if (part && strcmp(part, "default")) return NULL;
 202    return ((Elm_Menu_Item *) it)->content;
 203 }
 204
 205 static void
 206 _item_disable_hook(Elm_Object_Item *it)
 207 {
 208    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 209    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
 210
 211    if (elm_widget_item_disabled_get(item))
 212      {
 213         edje_object_signal_emit(VIEW(item), "elm,state,disabled", "elm");
 214         if (item->submenu.open) _submenu_hide(item);
 215      }
 216    else
 217      edje_object_signal_emit(VIEW(item), "elm,state,enabled", "elm");
 218
 219    edje_object_message_signal_process(VIEW(item));
 220 }
 221
 222 static void
 223 _sizing_eval(Evas_Object *obj)
 224 {
 225    Eina_List *l;
 226    Elm_Menu_Item *item;
 227    Evas_Coord x_p, y_p, w_p, h_p, x2, y2, w2, h2, bx, by, bw, bh;
 228    Widget_Data *wd = elm_widget_data_get(obj);
 229    if ((!wd) || (!wd->parent)) return;
 230    EINA_LIST_FOREACH(wd->items,l,item) _item_sizing_eval(item);
 231    evas_object_geometry_get(wd->location, &x_p, &y_p, &w_p, &h_p);
 232    evas_object_geometry_get(wd->parent, &x2, &y2, &w2, &h2);
 233    evas_object_geometry_get(wd->bx, &bx, &by, &bw, &bh);
 234
 235    x_p = wd->xloc;
 236    y_p = wd->yloc;
 237
 238    if (elm_widget_mirrored_get(obj))
 239      x_p -= w_p;
 240
 241    if (x_p+bw > x2+w2) x_p -= x_p+bw - (x2+w2);
 242    if (x_p < x2) x_p += x2 - x_p;
 243
 244    if (y_p+h_p+bh > y2+h2) y_p -= y_p+h_p+bh - (y2+h2);
 245    if (y_p < y2) y_p += y2 - y_p;
 246
 247
 248    evas_object_move(wd->location, x_p, y_p);
 249    evas_object_resize(wd->location, bw, h_p);
 250    evas_object_size_hint_min_set(wd->location, bw, h_p);
 251    evas_object_size_hint_max_set(wd->location, bw, h_p);
 252    elm_hover_target_set(wd->hv, wd->location);
 253
 254    EINA_LIST_FOREACH(wd->items,l,item)
 255      {
 256         if (item->submenu.open) _submenu_sizing_eval(item);
 257      }
 258 }
 259
 260 static void
 261 _submenu_sizing_eval(Elm_Menu_Item *parent)
 262 {
 263    Eina_List *l;
 264    Elm_Menu_Item *item;
 265    Evas_Coord x_p, y_p, w_p, h_p, x2, y2, w2, h2, bx, by, bw, bh, px, py, pw, ph;
 266    Widget_Data *wd = elm_widget_data_get(WIDGET(parent));
 267    if (!wd) return;
 268    EINA_LIST_FOREACH(parent->submenu.items, l, item) _item_sizing_eval(item);
 269    evas_object_geometry_get(parent->submenu.location, &x_p, &y_p, &w_p, &h_p);
 270    evas_object_geometry_get(VIEW(parent), &x2, &y2, &w2, &h2);
 271    evas_object_geometry_get(parent->submenu.bx, &bx, &by, &bw, &bh);
 272    evas_object_geometry_get(wd->parent, &px, &py, &pw, &ph);
 273
 274    x_p = x2+w2;
 275    y_p = y2;
 276
 277    /* If it overflows on the right, adjust the x */
 278    if ((x_p + bw > px + pw) || elm_widget_mirrored_get(WIDGET(parent)))
 279      x_p = x2-bw;
 280
 281    /* If it overflows on the left, adjust the x - usually only happens
 282     * with an RTL interface */
 283    if (x_p < px)
 284      x_p = x2 + w2;
 285
 286    /* If after all the adjustments it still overflows, fix it */
 287    if (x_p + bw > px + pw)
 288      x_p = x2-bw;
 289
 290    if (y_p+bh > py+ph)
 291      y_p -= y_p+bh - (py+ph);
 292    if (y_p < py)
 293      y_p += y_p - y_p;
 294
 295    evas_object_move(parent->submenu.location, x_p, y_p);
 296    evas_object_resize(parent->submenu.location, bw, h_p);
 297    evas_object_size_hint_min_set(parent->submenu.location, bw, h_p);
 298    evas_object_size_hint_max_set(parent->submenu.location, bw, h_p);
 299    elm_hover_target_set(parent->submenu.hv, parent->submenu.location);
 300
 301    EINA_LIST_FOREACH(parent->submenu.items, l, item)
 302      {
 303         if (item->submenu.open)
 304           _submenu_sizing_eval(item);
 305      }
 306 }
 307
 308 static void
 309 _item_sizing_eval(Elm_Menu_Item *item)
 310 {
 311    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
 312    if (!item->separator)
 313      elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 314    edje_object_size_min_restricted_calc(VIEW(item), &minw, &minh, minw, minh);
 315    if (!item->separator)
 316      elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 317    evas_object_size_hint_min_set(VIEW(item), minw, minh);
 318    evas_object_size_hint_max_set(VIEW(item), maxw, maxh);
 319 }
 320
 321 static void
 322 _menu_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 323 {
 324    _sizing_eval(data);
 325 }
 326
 327 static void
 328 _parent_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 329 {
 330    _sizing_eval(data);
 331 }
 332
 333 static void
 334 _parent_del(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
 335 {
 336    Widget_Data *wd = data;
 337    evas_object_event_callback_del_full(obj, EVAS_CALLBACK_RESIZE, _parent_resize, wd->obj);
 338    wd->parent = NULL;
 339 }
 340
 341 static void
 342 _item_move_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 343 {
 344    Elm_Menu_Item *item = data;
 345    if (item->submenu.open) _submenu_sizing_eval(item);
 346 }
 347
 348 static void
 349 _hover_clicked_cb(void *data, Evas_Object *obj, void *event_info)
 350 {
 351    _menu_hide(data, obj, event_info);
 352    evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
 353 }
 354
 355 static void
 356 _menu_hide(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 357 {
 358    Eina_List *l;
 359    Elm_Menu_Item *item2;
 360    Widget_Data *wd = elm_widget_data_get(data);
 361    if (!wd) return;
 362    evas_object_hide(wd->hv);
 363    evas_object_hide(data);
 364
 365    EINA_LIST_FOREACH(wd->items, l, item2)
 366      {
 367         if (item2->submenu.open) _submenu_hide(item2);
 368      }
 369 }
 370
 371 static void
 372 _submenu_hide(Elm_Menu_Item *item)
 373 {
 374    Eina_List *l;
 375    Elm_Menu_Item *item2;
 376    evas_object_hide(item->submenu.hv);
 377    item->submenu.open = EINA_FALSE;
 378    EINA_LIST_FOREACH(item->submenu.items, l, item2)
 379      {
 380         if (item2->submenu.open) _submenu_hide(item2);
 381      }
 382 }
 383
 384 static void
 385 _menu_item_select(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 386 {
 387    Elm_Menu_Item *item = data;
 388    if (item->submenu.items)
 389      {
 390         if (!item->submenu.open) _submenu_open(item, NULL, NULL, NULL);
 391         else _submenu_hide(item);
 392      }
 393    else
 394      _menu_hide(WIDGET(item), NULL, NULL);
 395
 396    if (item->func) item->func((void *)(item->base.data), WIDGET(item), item);
 397 }
 398
 399 static void
 400 _menu_item_activate(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 401 {
 402    Eina_List *l;
 403    Elm_Menu_Item *item2;
 404    Elm_Menu_Item *item = data;
 405    item->selected = 1;
 406    if (item->parent)
 407      {
 408         EINA_LIST_FOREACH(item->parent->submenu.items, l, item2)
 409           {
 410              if (item2 != item)
 411                elm_menu_item_selected_set((Elm_Object_Item *) item2, 0);
 412           }
 413      }
 414    else
 415      {
 416         Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 417         EINA_LIST_FOREACH(wd->items, l, item2)
 418           {
 419              if (item2 != item)
 420                elm_menu_item_selected_set((Elm_Object_Item *) item2, 0);
 421           }
 422      }
 423 }
 424
 425 static void
 426 _menu_item_inactivate(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 427 {
 428    Elm_Menu_Item *item = data;
 429    item->selected = 0;
 430    if (item->submenu.open) _submenu_hide(item);
 431 }
 432
 433 static void
 434 _submenu_open(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 435 {
 436    Elm_Menu_Item *item = data;
 437    item->submenu.open = EINA_TRUE;
 438    evas_object_show(item->submenu.hv);
 439    _sizing_eval(WIDGET(item));
 440 }
 441
 442 static void
 443 _show(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 444 {
 445    Widget_Data *wd = elm_widget_data_get(data);
 446    if (!wd) return;
 447    evas_object_show(wd->hv);
 448 }
 449
 450 static void
 451 _item_obj_create(Elm_Menu_Item *item)
 452 {
 453    Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 454    if (!wd) return;
 455    VIEW(item) = edje_object_add(evas_object_evas_get(wd->bx));
 456    edje_object_mirrored_set(VIEW(item), elm_widget_mirrored_get(WIDGET(item)));
 457    evas_object_size_hint_weight_set(VIEW(item), EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 458    evas_object_size_hint_fill_set(VIEW(item), EVAS_HINT_FILL, EVAS_HINT_FILL);
 459    _elm_theme_object_set(WIDGET(item), VIEW(item), "menu", "item",  elm_widget_style_get(WIDGET(item)));
 460    edje_object_signal_callback_add(VIEW(item), "elm,action,click", "",
 461                                    _menu_item_select, item);
 462    edje_object_signal_callback_add(VIEW(item), "elm,action,activate", "",
 463                                    _menu_item_activate, item);
 464    edje_object_signal_callback_add(VIEW(item), "elm,action,inactivate", "",
 465                                    _menu_item_inactivate, item);
 466    evas_object_show(VIEW(item));
 467 }
 468
 469 static void
 470 _item_separator_obj_create(Elm_Menu_Item *item)
 471 {
 472    Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 473    if (!wd) return;
 474    VIEW(item) = edje_object_add(evas_object_evas_get(wd->bx));
 475    evas_object_size_hint_weight_set(VIEW(item), EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 476    evas_object_size_hint_fill_set(VIEW(item), EVAS_HINT_FILL, EVAS_HINT_FILL);
 477    _elm_theme_object_set(WIDGET(item), VIEW(item), "menu", "separator",  elm_widget_style_get(WIDGET(item)));
 478    edje_object_signal_callback_add(VIEW(item), "elm,action,activate", "",
 479                                    _menu_item_activate, item);
 480    evas_object_show(VIEW(item));
 481 }
 482
 483 static void
 484 _item_submenu_obj_create(Elm_Menu_Item *item)
 485 {
 486    Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 487    if (!wd) return;
 488    item->submenu.location = elm_icon_add(wd->bx);
 489    item->submenu.hv = elm_hover_add(wd->bx);
 490    elm_widget_mirrored_set(item->submenu.hv, EINA_FALSE);
 491    elm_hover_target_set(item->submenu.hv, item->submenu.location);
 492    elm_hover_parent_set(item->submenu.hv, wd->parent);
 493    elm_object_style_set(item->submenu.hv, "submenu");
 494
 495    item->submenu.bx = elm_box_add(wd->bx);
 496    elm_widget_mirrored_set(item->submenu.bx, EINA_FALSE);
 497    evas_object_size_hint_weight_set(item->submenu.bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 498    evas_object_show(item->submenu.bx);
 499    elm_object_part_content_set(item->submenu.hv, elm_hover_best_content_location_get(item->submenu.hv, ELM_HOVER_AXIS_VERTICAL), item->submenu.bx);
 500
 501    edje_object_mirrored_set(VIEW(item), elm_widget_mirrored_get(WIDGET(item)));
 502    _elm_theme_object_set(WIDGET(item), VIEW(item), "menu", "item_with_submenu",  elm_widget_style_get(WIDGET(item)));
 503    elm_object_item_text_set((Elm_Object_Item *) item,
 504                             item->label);
 505    if (item->icon_str)
 506      elm_menu_item_object_icon_name_set((Elm_Object_Item *) item,
 507                                         item->icon_str);
 508    edje_object_signal_callback_add(VIEW(item), "elm,action,open", "",
 509                                    _submenu_open, item);
 510    evas_object_event_callback_add(VIEW(item), EVAS_CALLBACK_MOVE, _item_move_resize, item);
 511    evas_object_event_callback_add(VIEW(item), EVAS_CALLBACK_RESIZE, _item_move_resize, item);
 512
 513    evas_object_event_callback_add(item->submenu.bx, EVAS_CALLBACK_RESIZE, _menu_resize, WIDGET(item));
 514 }
 515
 516 EAPI Evas_Object *
 517 elm_menu_add(Evas_Object *parent)
 518 {
 519    Evas_Object *obj;
 520    Evas *e;
 521    Widget_Data *wd;
 522
 523    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 524
 525    ELM_SET_WIDTYPE(widtype, "menu");
 526    elm_widget_type_set(obj, "menu");
 527    elm_widget_sub_object_add(parent, obj);
 528    elm_widget_data_set(obj, wd);
 529    elm_widget_del_pre_hook_set(obj, _del_pre_hook);
 530    elm_widget_del_hook_set(obj, _del_hook);
 531    elm_widget_theme_hook_set(obj, _theme_hook);
 532    elm_widget_can_focus_set(obj, EINA_FALSE);
 533
 534    wd->location = elm_icon_add(obj);
 535    wd->parent = parent;
 536    wd->obj = obj;
 537
 538    wd->hv = elm_hover_add(obj);
 539    elm_widget_mirrored_set(wd->hv, EINA_FALSE);
 540    elm_hover_parent_set(wd->hv, parent);
 541    elm_hover_target_set(wd->hv, wd->location);
 542    elm_object_style_set(wd->hv, "menu");
 543    evas_object_smart_callback_add(wd->hv, "clicked", _hover_clicked_cb, obj);
 544
 545    wd->bx = elm_box_add(obj);
 546    elm_widget_mirrored_set(wd->bx, EINA_FALSE);
 547    evas_object_size_hint_weight_set(wd->bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 548    evas_object_show(wd->bx);
 549    elm_object_part_content_set(wd->hv, elm_hover_best_content_location_get(wd->hv, ELM_HOVER_AXIS_VERTICAL), wd->bx);
 550
 551    evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize, wd->obj);
 552    evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_DEL, _parent_del, wd);
 553
 554    evas_object_event_callback_add(obj, EVAS_CALLBACK_SHOW, _show, obj);
 555
 556    evas_object_event_callback_add(wd->bx, EVAS_CALLBACK_RESIZE, _menu_resize, obj);
 557
 558    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 559
 560    _sizing_eval(obj);
 561    return obj;
 562 }
 563
 564 EAPI void
 565 elm_menu_parent_set(Evas_Object *obj, Evas_Object *parent)
 566 {
 567    Eina_List *l, *_l, *_ll, *ll = NULL;
 568    Elm_Menu_Item *item;
 569    ELM_CHECK_WIDTYPE(obj, widtype);
 570    Widget_Data *wd = elm_widget_data_get(obj);
 571    if (!wd) return;
 572
 573    if (wd->parent == parent) return;
 574    if (wd->parent)
 575      {
 576         evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize, wd->obj);
 577         evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_DEL, _parent_del, wd);
 578      }
 579    wd->parent = parent;
 580    if (wd->parent)
 581      {
 582         evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize, wd->obj);
 583         evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_DEL, _parent_del, wd);
 584      }
 585    elm_hover_parent_set(wd->hv, parent);
 586
 587    ll = eina_list_append(ll, wd->items);
 588    EINA_LIST_FOREACH(ll, _ll, l)
 589      {
 590         EINA_LIST_FOREACH(l, _l, item)
 591           {
 592              if (item->submenu.hv)
 593                {
 594                   elm_hover_parent_set(item->submenu.hv, parent);
 595                   ll = eina_list_append(ll, item->submenu.items);
 596                }
 597           }
 598      }
 599    _sizing_eval(obj);
 600 }
 601
 602 EAPI Evas_Object *
 603 elm_menu_parent_get(const Evas_Object *obj)
 604 {
 605    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 606    Widget_Data *wd = elm_widget_data_get(obj);
 607    if (!wd) return NULL;
 608    return wd->parent;
 609 }
 610
 611 EAPI void
 612 elm_menu_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
 613 {
 614    ELM_CHECK_WIDTYPE(obj, widtype);
 615    Widget_Data *wd = elm_widget_data_get(obj);
 616    if (!wd) return;
 617    wd->xloc = x;
 618    wd->yloc = y;
 619    _sizing_eval(obj);
 620 }
 621
 622 EAPI void
 623 elm_menu_close(Evas_Object *obj)
 624 {
 625    ELM_CHECK_WIDTYPE(obj, widtype);
 626    Widget_Data *wd = elm_widget_data_get(obj);
 627    _menu_hide(obj, wd->hv, NULL);
 628 }
 629
 630 EAPI Evas_Object *
 631 elm_menu_item_object_get(const Elm_Object_Item *it)
 632 {
 633    return VIEW(((Elm_Menu_Item *) it));
 634 }
 635
 636 static void
 637 _item_clone(Evas_Object *obj, Elm_Menu_Item *parent, Elm_Menu_Item *item)
 638 {
 639    Elm_Object_Item *new_item;
 640    Elm_Menu_Item *subitem;
 641    Eina_List *iter;
 642
 643    if (item->separator)
 644      new_item = elm_menu_item_separator_add(obj, (Elm_Object_Item *) parent);
 645    else
 646      new_item = elm_menu_item_add(obj,
 647                                   (Elm_Object_Item *) parent,
 648                                   item->icon_str,
 649                                   item->label,
 650                                   item->func,
 651                                   item->base.data);
 652    elm_object_item_disabled_set(new_item,
 653                                 elm_widget_item_disabled_get(item));
 654
 655    EINA_LIST_FOREACH(item->submenu.items, iter, subitem)
 656      _item_clone(obj, (Elm_Menu_Item *) new_item, subitem);
 657 }
 658
 659 void
 660 elm_menu_clone(Evas_Object *from_menu, Evas_Object *to_menu, Elm_Object_Item *parent)
 661 {
 662    ELM_CHECK_WIDTYPE(from_menu, widtype);
 663    ELM_CHECK_WIDTYPE(to_menu, widtype);
 664    Widget_Data *from_wd = elm_widget_data_get(from_menu);
 665    Eina_List *iter;
 666    Elm_Menu_Item *item;
 667
 668    if (!from_wd) return;
 669    EINA_LIST_FOREACH(from_wd->items, iter, item)
 670      _item_clone(to_menu, (Elm_Menu_Item *) parent, item);
 671 }
 672
 673 static void
 674 _elm_menu_item_add_helper(Evas_Object *obj, Elm_Menu_Item *parent, Elm_Menu_Item *subitem, Widget_Data *wd)
 675 {
 676    if (parent)
 677      {
 678         if (!parent->submenu.bx) _item_submenu_obj_create(parent);
 679         elm_box_pack_end(parent->submenu.bx, VIEW(subitem));
 680         parent->submenu.items = eina_list_append(parent->submenu.items, subitem);
 681         subitem->idx = eina_list_count(parent->submenu.items) - 1;
 682      }
 683    else
 684      {
 685         elm_box_pack_end(wd->bx, VIEW(subitem));
 686         wd->items = eina_list_append(wd->items, subitem);
 687         subitem->idx = eina_list_count(wd->items) - 1;
 688      }
 689
 690    _sizing_eval(obj);
 691 }
 692
 693 static Eina_Bool
 694 _item_del_pre_hook(Elm_Object_Item *it)
 695 {
 696    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, EINA_FALSE);
 697    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
 698    Elm_Object_Item *_item;
 699
 700    EINA_LIST_FREE(item->submenu.items, _item) elm_object_item_del(_item);
 701    if (item->label) eina_stringshare_del(item->label);
 702    if (item->content) evas_object_del(item->content);
 703    if (item->submenu.hv) evas_object_del(item->submenu.hv);
 704    if (item->submenu.location) evas_object_del(item->submenu.location);
 705
 706    if (item->parent)
 707      item->parent->submenu.items = eina_list_remove(item->parent->submenu.items, item);
 708    else
 709      {
 710         Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 711         wd->items = eina_list_remove(wd->items, item);
 712      }
 713
 714    return EINA_TRUE;
 715 }
 716
 717 EAPI Elm_Object_Item *
 718 elm_menu_item_add(Evas_Object *obj, Elm_Object_Item *parent, const char *icon, const char *label, Evas_Smart_Cb func, const void *data)
 719 {
 720    Elm_Menu_Item *subitem;
 721    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 722    Widget_Data *wd = elm_widget_data_get(obj);
 723    Evas_Object *icon_obj;
 724
 725    if (!wd) return NULL;
 726    icon_obj = elm_icon_add(obj);
 727    if (!icon_obj) return NULL;
 728    subitem = elm_widget_item_new(obj, Elm_Menu_Item);
 729    if (!subitem)
 730      {
 731         evas_object_del(icon_obj);
 732         return NULL;
 733      }
 734
 735    elm_widget_item_del_pre_hook_set(subitem, _item_del_pre_hook);
 736    elm_widget_item_disable_hook_set(subitem, _item_disable_hook);
 737    elm_widget_item_text_set_hook_set(subitem, _item_text_set_hook);
 738    elm_widget_item_text_get_hook_set(subitem, _item_text_get_hook);
 739    elm_widget_item_content_set_hook_set(subitem, _item_content_set_hook);
 740    elm_widget_item_content_get_hook_set(subitem, _item_content_get_hook);
 741
 742    subitem->base.data = data;
 743    subitem->func = func;
 744    subitem->parent = (Elm_Menu_Item *) parent;
 745    subitem->content = icon_obj;
 746
 747    _item_obj_create(subitem);
 748    elm_object_item_text_set((Elm_Object_Item *) subitem, label);
 749
 750    elm_widget_sub_object_add(WIDGET(subitem), subitem->content);
 751    edje_object_part_swallow(VIEW(subitem), "elm.swallow.content", subitem->content);
 752    if (icon)
 753      elm_menu_item_object_icon_name_set((Elm_Object_Item *) subitem, icon);
 754
 755    _elm_menu_item_add_helper(obj, (Elm_Menu_Item *) parent, subitem, wd);
 756
 757    return (Elm_Object_Item *) subitem;
 758 }
 759
 760 EAPI Elm_Object_Item *
 761 elm_menu_item_add_object(Evas_Object *obj, Elm_Object_Item *parent, Evas_Object *subobj, Evas_Smart_Cb func, const void *data)
 762 {
 763    Elm_Menu_Item *subitem;
 764    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 765    Widget_Data *wd = elm_widget_data_get(obj);
 766
 767    if (!wd) return NULL;
 768    subitem = elm_widget_item_new(obj, Elm_Menu_Item);
 769    if (!subitem) return NULL;
 770
 771    elm_widget_item_del_pre_hook_set(subitem, _item_del_pre_hook);
 772    elm_widget_item_disable_hook_set(subitem, _item_disable_hook);
 773    elm_widget_item_text_set_hook_set(subitem, _item_text_set_hook);
 774    elm_widget_item_text_get_hook_set(subitem, _item_text_get_hook);
 775    elm_widget_item_content_set_hook_set(subitem, _item_content_set_hook);
 776    elm_widget_item_content_get_hook_set(subitem, _item_content_get_hook);
 777
 778    subitem->base.data = data;
 779    subitem->func = func;
 780    subitem->parent = (Elm_Menu_Item *) parent;
 781    subitem->object_item = EINA_TRUE;
 782    subitem->content = subobj;
 783
 784    _item_obj_create(subitem);
 785
 786    elm_widget_sub_object_add(WIDGET(subitem), subitem->content);
 787    edje_object_part_swallow(VIEW(subitem), "elm.swallow.content", subobj);
 788    _sizing_eval(WIDGET(subitem));
 789
 790    _elm_menu_item_add_helper(obj, (Elm_Menu_Item *) parent, subitem, wd);
 791
 792    return (Elm_Object_Item *) subitem;
 793 }
 794
 795 EAPI unsigned int
 796 elm_menu_item_index_get(const Elm_Object_Item *it)
 797 {
 798    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, 0);
 799    return ((Elm_Menu_Item *) it)->idx;
 800 }
 801
 802 EAPI void
 803 elm_menu_item_label_set(Elm_Object_Item *it, const char *label)
 804 {
 805    _item_text_set_hook(it, NULL, label);
 806 }
 807
 808 EAPI const char *
 809 elm_menu_item_label_get(const Elm_Object_Item *it)
 810 {
 811    return _item_text_get_hook(it, NULL);
 812 }
 813
 814 EAPI void
 815 elm_menu_item_object_icon_name_set(Elm_Object_Item *it, const char *icon)
 816 {
 817    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 818    EINA_SAFETY_ON_NULL_RETURN(icon);
 819    char icon_tmp[512];
 820    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
 821
 822    if (!*icon) return;
 823    if ((item->icon_str) && (!strcmp(item->icon_str, icon))) return;
 824    if ((snprintf(icon_tmp, sizeof(icon_tmp), "menu/%s", icon) > 0) &&
 825        (elm_icon_standard_set(item->content, icon_tmp) ||
 826         elm_icon_standard_set(item->content, icon)))
 827      {
 828         eina_stringshare_replace(&item->icon_str, icon);
 829         edje_object_signal_emit(VIEW(item), "elm,state,icon,visible", "elm");
 830      }
 831    else
 832      edje_object_signal_emit(VIEW(item), "elm,state,icon,hidden", "elm");
 833    edje_object_message_signal_process(VIEW(item));
 834    _sizing_eval(WIDGET(item));
 835 }
 836
 837 EAPI void
 838 elm_menu_item_disabled_set(Elm_Object_Item *it, Eina_Bool disabled)
 839 {
 840    elm_object_item_disabled_set(it, disabled);
 841 }
 842
 843 EAPI Eina_Bool
 844 elm_menu_item_disabled_get(const Elm_Object_Item *it)
 845 {
 846    return elm_object_item_disabled_get(it);
 847 }
 848
 849 EAPI Elm_Object_Item *
 850 elm_menu_item_separator_add(Evas_Object *obj, Elm_Object_Item *parent)
 851 {
 852    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 853    Elm_Menu_Item *subitem;
 854    Widget_Data *wd = elm_widget_data_get(obj);
 855    Elm_Menu_Item *p_item = (Elm_Menu_Item *) parent;
 856    if (!wd) return NULL;
 857    /* don't add a separator as the first item */
 858    if (!wd->items) return NULL;
 859    /* don't allow adding more than one separator in a row */
 860    if (p_item) subitem = eina_list_last(p_item->submenu.items)->data;
 861    else subitem = eina_list_last(wd->items)->data;
 862    if (subitem->separator) return NULL;
 863
 864    subitem = elm_widget_item_new(obj, Elm_Menu_Item);
 865    if (!subitem) return NULL;
 866
 867    elm_widget_item_del_pre_hook_set(subitem, _item_del_pre_hook);
 868    elm_widget_item_disable_hook_set(subitem, _item_disable_hook);
 869    elm_widget_item_text_set_hook_set(subitem, _item_text_set_hook);
 870    elm_widget_item_text_get_hook_set(subitem, _item_text_get_hook);
 871    elm_widget_item_content_set_hook_set(subitem, _item_content_set_hook);
 872    elm_widget_item_content_get_hook_set(subitem, _item_content_get_hook);
 873
 874    subitem->separator = EINA_TRUE;
 875    _item_separator_obj_create(subitem);
 876    if (!p_item)
 877      {
 878         elm_box_pack_end(wd->bx, VIEW(subitem));
 879         wd->items = eina_list_append(wd->items, subitem);
 880      }
 881    else
 882      {
 883         if (!p_item->submenu.bx) _item_submenu_obj_create(p_item);
 884         elm_box_pack_end(p_item->submenu.bx, VIEW(subitem));
 885         p_item->submenu.items = eina_list_append(p_item->submenu.items,
 886                                                  subitem);
 887      }
 888    _sizing_eval(obj);
 889    return (Elm_Object_Item *) subitem;
 890 }
 891
 892 EAPI Eina_Bool
 893 elm_menu_item_object_content_set(Elm_Object_Item *it, Evas_Object *obj)
 894 {
 895    _item_content_set_hook(it, NULL, obj);
 896    return EINA_TRUE;
 897 }
 898
 899 EAPI Evas_Object *
 900 elm_menu_item_object_content_get(const Elm_Object_Item *it)
 901 {
 902    return _item_content_get_hook(it, NULL);
 903 }
 904
 905 EAPI const char *
 906 elm_menu_item_object_icon_name_get(const Elm_Object_Item *it)
 907 {
 908    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 909    return ((Elm_Menu_Item *) it)->icon_str;
 910 }
 911
 912 EAPI Eina_Bool
 913 elm_menu_item_is_separator(Elm_Object_Item *it)
 914 {
 915    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, EINA_FALSE);
 916    return ((Elm_Menu_Item *) it)->separator;
 917 }
 918
 919 EAPI void
 920 elm_menu_item_del(Elm_Object_Item *it)
 921 {
 922    elm_object_item_del(it);
 923 }
 924
 925 EAPI void
 926 elm_menu_item_del_cb_set(Elm_Object_Item *it, Evas_Smart_Cb func)
 927 {
 928    elm_object_item_del_cb_set(it, func);
 929 }
 930
 931 EAPI void *
 932 elm_menu_item_data_get(const Elm_Object_Item *it)
 933 {
 934    return elm_object_item_data_get(it);
 935 }
 936
 937 EAPI void
 938 elm_menu_item_data_set(Elm_Object_Item *it, const void *data)
 939 {
 940    elm_object_item_data_set(it, (void *) data);
 941 }
 942
 943 EAPI const Eina_List *
 944 elm_menu_item_subitems_get(const Elm_Object_Item *it)
 945 {
 946    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 947    return ((Elm_Menu_Item *) it)->submenu.items;
 948 }
 949
 950 EAPI const Eina_List *
 951 elm_menu_items_get(const Evas_Object * obj)
 952 {
 953    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 954    Widget_Data *wd = elm_widget_data_get(obj);
 955    return wd->items;
 956 }
 957
 958 EAPI void
 959 elm_menu_item_selected_set(Elm_Object_Item *it, Eina_Bool selected)
 960 {
 961    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 962    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
 963
 964    if (selected == item->selected) return;
 965    item->selected = selected;
 966    if (selected)
 967      {
 968         edje_object_signal_emit(VIEW(item), "elm,state,selected", "elm");
 969         _menu_item_activate(item, NULL, NULL, NULL);
 970      }
 971    else
 972      {
 973         edje_object_signal_emit(VIEW(item), "elm,state,unselected", "elm");
 974         _menu_item_inactivate(item, NULL, NULL, NULL);
 975      }
 976    edje_object_message_signal_process(VIEW(item));
 977 }
 978
 979 EAPI Eina_Bool
 980 elm_menu_item_selected_get(const Elm_Object_Item *it)
 981 {
 982    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, EINA_FALSE);
 983    return ((Elm_Menu_Item *) it)->selected;
 984 }
 985
 986 EAPI Elm_Object_Item *
 987 elm_menu_item_prev_get(const Elm_Object_Item *it)
 988 {
 989    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 990    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
 991
 992    if (item->parent)
 993      {
 994         Eina_List *l = eina_list_data_find_list(item->parent->submenu.items,
 995                                                 item);
 996         l = eina_list_prev(l);
 997         if (!l) return NULL;
 998         return l->data;
 999      }
1000    else
1001      {
1002         Widget_Data *wd = elm_widget_data_get(WIDGET(item));
1003         if (!wd || !wd->items) return NULL;
1004         Eina_List *l = eina_list_data_find_list(wd->items, item);
1005         l = eina_list_prev(l);
1006         if (!l) return NULL;
1007         return l->data;
1008      }
1009    return NULL;
1010 }
1011
1012 EAPI Elm_Object_Item *
1013 elm_menu_item_next_get(const Elm_Object_Item *it)
1014 {
1015    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
1016    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
1017
1018    if (item->parent)
1019      {
1020         Eina_List *l = eina_list_data_find_list(item->parent->submenu.items,
1021                                                 item);
1022         l = eina_list_next(l);
1023         if (!l) return NULL;
1024         return l->data;
1025      }
1026    else
1027      {
1028         Widget_Data *wd = elm_widget_data_get(WIDGET(item));
1029         if (!wd || !wd->items) return NULL;
1030         Eina_List *l = eina_list_data_find_list(wd->items, item);
1031         l = eina_list_next(l);
1032         if (!l) return NULL;
1033         return l->data;
1034      }
1035    return NULL;
1036 }
1037
1038 EAPI Evas_Object *
1039 elm_menu_item_menu_get(const Elm_Object_Item *it)
1040 {
1041    return elm_object_item_widget_get(it);
1042 }
1043
1044 EAPI Elm_Object_Item *
1045 elm_menu_first_item_get(const Evas_Object * obj)
1046 {
1047    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1048    Widget_Data *wd = elm_widget_data_get(obj);
1049    if (!wd) return NULL;
1050    if (wd->items) return wd->items->data;
1051    return NULL;
1052 }
1053
1054 EAPI Elm_Object_Item *
1055 elm_menu_last_item_get(const Evas_Object * obj)
1056 {
1057    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1058    Widget_Data *wd = elm_widget_data_get(obj);
1059    if (!wd) return NULL;
1060    Eina_List *l = eina_list_last(wd->items);
1061    if (l) return l->data;
1062    return NULL;
1063 }
1064
1065 EAPI Elm_Object_Item *
1066 elm_menu_selected_item_get(const Evas_Object * obj)
1067 {
1068    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1069    Widget_Data *wd = elm_widget_data_get(obj);
1070    if (!wd) return NULL;
1071    Eina_List *l;
1072    Elm_Menu_Item *item;
1073    EINA_LIST_FOREACH(wd->items, l, item)
1074      {
1075         if (item->selected) return ((Elm_Object_Item *) item);
1076      }
1077    return NULL;
1078 }
1079